Acer Predator 17x Power Supply Question

ViralGameHero

I recently purchased an Acer Predator 17x (i7, 1080, UHD Screen).  I was doing some 4k gaming last night and noticed that the power supply included (330w I believe) had a hard time keeping up and drained the battery slightly.  Is there another power supply I can purchase that will supply a bit more power to keep up with the demand of the 1080 (something like 400w or 450w)?

Sharanji

ViralGameHero 

Most Predator notebooks are designed to use a combination of AC adapter and battery power when the video card requires additional power. You can get up to a 30% performance increase when you connect the AC adapter while playing graphic intensive games on the internal display.

The system is designed to draw power from the battery if the system demands exceed the AC adapter power rating. The system will resume charging the battery when the demands are below the AC adapter power rating. If your battery discharges below 30% while using the AC adapter and battery, access to battery power will be prevented until the battery charge is above 40%.

This model has a 19.5V 330W AC adapter and 6000 mAh 8-cell rechargeable li-lon battery pack.

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